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Marquise|Natural|IGI

1.00ct K SI1 Marquise Natural Diamond

EX • K/SI1 • IGI 689598873

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 689598873

Diamond specifications and retailer prices

From $2,166 CAD
As of November 4, 2026
Save $3,533 CAD (62%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,700 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 689598873. Listed at 16 retailers as of November 5, 2026, with prices from $2,166 to $5,700, a $3,533 spread on the same certified stone. NZ Jewellers lists it at $5,700. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 689598873
Dimensions10.77 × 5.18 × 3.15 mm
L/W Ratio2.08
Girdle conditionFaceted
Top View
10.77 mm5.18 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 689598873
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,700 CAD|Low: $2,166 CAD|High: $5,700 CAD|Avg: $2,802 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 6$2,166 CAD
Retailer 14$2,166 CAD
Retailer 11$2,173 CAD
Retailer 2$2,266 CAD
Retailer 8$2,300 CAD
Retailer 5$2,336 CAD
Retailer 7$2,336 CAD
Retailer 15$2,445 CAD
Retailer 16$2,445 CAD
Retailer 3$2,528 CAD
Retailer 9$2,636 CAD
Retailer 4$2,696 CAD
Retailer 10$2,851 CAD
Retailer 12$3,179 CAD
Retailer 13$4,093 CAD
NZ Jewellers$5,700 CAD

24 data points across 16 retailers

16 retailers$2,166 CAD to $5,700 CAD

A
Cheapest Retailer
-
$2,166 CAD
A
Retailer 2
-
$2,166 CAD
View
A
Retailer 3
-
$2,173 CAD
View
A
Retailer 4
-
$2,266 CAD
View
A
Retailer 5
-
$2,300 CAD
View
Retailer 6
-
$2,336 CAD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$2,336 CAD
View
B+
Retailer 8
-
$2,445 CAD
View
B+
Retailer 9
-
$2,445 CAD
View
B+
Retailer 10
-
$2,528 CAD
View
B+
Retailer 11
-
$2,636 CAD
View
B+
Retailer 12
-
$2,696 CAD
View
B+
Retailer 13
-
$2,851 CAD
View
B+
Retailer 14
-
$3,179 CAD
View
B
Retailer 15
-
$4,093 CAD
View
Most Expensive
C
NZ Jewellers
ebedcac4-57b0-4921-9ad9-c20506f08906 · Nov 5
$5,700 CAD
$4,052 USD
View
15 more retailers have this diamond
Prices start from $2,166 CADSave up to $3,533 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Marquise
$2,166 CAD